-The C2 compiler replay is a function to repeat the compiling process from a crashed java process in compiled method
-This function only exists in debug version of VM
-
-First, use SA to attach to the core file, if suceeded, do - clhsdb>dumpreplaydata | -a |[> replay.txt] - create file replay.txt, address is address of Method, or nmethod(CodeBlob) - clhsdb>buildreplayjars [all | boot | app] - create files: - all: - app.jar, boot.jar - boot: - boot.jar - app: - app.jar - exit SA now. -Second, use the obtained replay text file, replay.txt and jar files, app.jar and boot.jar, using debug version of java - java -Xbootclasspath/p:boot.jar -cp app.jar -XX:ReplayDataFile= -XX:+ReplayCompiles .... - This will replay the compiling process. - - With ReplayCompiles, the replay will recompile all the methods in app.jar, and in boot.jar to emulate the process in java app. - -notes: - 1) Most time, we don't need the boot.jar which is the classes loaded from JDK. It will be only modified when an agent(JVMDI) is running and modifies the classes. - 2) If encounter error as " " not found, that means the SA is using a VMStructs which is different from the one with corefile. In this case, SA has a utility tool vmstructsdump which is located at agent/src/os/ /proc/ - - Use this tool to dump VM type library: - vmstructsdump libjvm.so > .db - - set env SA_TYPEDB= .db (refer different shell for set envs) diff -r 57ac6a688ae6 -r 0b55a78c6be5 agent/doc/cireplay.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/doc/cireplay.html Fri Apr 26 10:52:26 2013 -0700 @@ -0,0 +1,41 @@ + + + +Replay + + + + +Compiler replay
++The compiler replay is a function to repeat the compiling process from a crashed java process in compiled method
+
+This function only exists in debug version of VM +Usage
++First, use SA to attach to the core file, if succeeded, do + hsdb> dumpreplaydata <address> | -a | <thread_id> [> replay.txt] + create file replay.txt, address is address of Method, or nmethod(CodeBlob) + hsdb> buildreplayjars [all | boot | app] + create files: + all: + app.jar, boot.jar + boot: + boot.jar + app: + app.jar + exit SA now. +Second, use the obtained replay text file, replay.txt and jar files, app.jar and boot.jar, using debug version of java + java -Xbootclasspath/p:boot.jar -cp app.jar -XX:ReplayDataFile=<datafile> -XX:+ReplayCompiles .... + This will replay the compiling process. + + With ReplayCompiles, the replay will recompile all the methods in app.jar, and in boot.jar to emulate the process in java app. + +notes: + 1) Most time, we don't need the boot.jar which is the classes loaded from JDK. It will be only modified when an agent(JVMDI) is running and modifies the classes. + 2) If encounter error as "<flag>" not found, that means the SA is using a VMStructs which is different from the one with corefile. In this case, SA has a utility tool vmstructsdump which is located at agent/src/os/<os>/proc/<os_platform> + + Use this tool to dump VM type library: + vmstructsdump libjvm.so > <type_name>.db + + set env SA_TYPEDB=<type_name>.db (refer different shell for set envs) diff -r 57ac6a688ae6 -r 0b55a78c6be5 agent/doc/clhsdb.html --- a/agent/doc/clhsdb.html Fri Apr 26 00:40:22 2013 -0700 +++ b/agent/doc/clhsdb.html Fri Apr 26 10:52:26 2013 -0700 @@ -15,7 +15,7 @@-There is also JavaScript based SA command line interface called jsdb. But, CLHSDB supports Unix shell-like (or dbx/gdb-like) command line interface with -support for output redirection/appending (familiar >, >>), command history and so on. +support for output redirection/appending (familiar >, >>), command history and so on. Each CLHSDB command can have zero or more arguments and optionally end with output redirection (or append) to a file. Commands may be stored in a file and run using source command. help command prints usage message for all supported commands (or a specific command) @@ -49,7 +49,7 @@ dumpheap [ file ] dump heap in hprof binary format dumpideal -a | id dump ideal graph like debug flag -XX:+PrintIdeal dumpilt -a | id dump inline tree for C2 compilation - dumpreplaydata
| -a |[>replay.txt] dump replay data into a file + dumpreplaydata <address> | -a | <thread_id> [>replay.txt] dump replay data into a file echo [ true | false ] turn on/off command echo mode examine [ address/count ] | [ address,address] show contents of memory from given address field [ type [ name fieldtype isStatic offset address ] ] print info about a field of HotSpot type @@ -96,11 +96,11 @@ JavaScript integration
-Few CLHSDB commands are already implemented in JavaScript. It is possible to extend CLHSDB command set +
Few CLHSDB commands are already implemented in JavaScript. It is possible to extend CLHSDB command set by implementing more commands in a JavaScript file and by loading it by jsload command. jseval command may be used to evaluate arbitrary JavaScript expression from a string. Any JavaScript function may be exposed as a CLHSDB command by registering it using JavaScript
@@ -127,11 +127,11 @@registerCommand-function. This function accepts command name, usage and name of the JavaScript implementation function +function. This function accepts command name, usage and name of the JavaScript implementation function as arguments.C2 Compilation Replay
+Compilation Replay
When a java process crashes in compiled method, usually a core file is saved. -The C2 replay function can reproduce the compiling process in the core. -c2replay.html +The replay function can reproduce the compiling process in the core. +cireplay.html diff -r 57ac6a688ae6 -r 0b55a78c6be5 agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.java --- a/agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.java Fri Apr 26 00:40:22 2013 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.java Fri Apr 26 10:52:26 2013 -0700 @@ -93,10 +93,11 @@ CompileTask task = task(); Method method = task.method(); int entryBci = task.osrBci(); + int compLevel = task.compLevel(); Klass holder = method.getMethodHolder(); out.println("compile " + holder.getName().asString() + " " + OopUtilities.escapeString(method.getName().asString()) + " " + method.getSignature().asString() + " " + - entryBci); + entryBci + " " + compLevel); } } diff -r 57ac6a688ae6 -r 0b55a78c6be5 agent/src/share/classes/sun/jvm/hotspot/code/NMethod.java --- a/agent/src/share/classes/sun/jvm/hotspot/code/NMethod.java Fri Apr 26 00:40:22 2013 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/code/NMethod.java Fri Apr 26 10:52:26 2013 -0700 @@ -78,6 +78,8 @@ current sweep traversal index. */ private static CIntegerField stackTraversalMarkField; + private static CIntegerField compLevelField; + static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { @@ -113,7 +115,7 @@ osrEntryPointField = type.getAddressField("_osr_entry_point"); lockCountField = type.getJIntField("_lock_count"); stackTraversalMarkField = type.getCIntegerField("_stack_traversal_mark"); - + compLevelField = type.getCIntegerField("_comp_level"); pcDescSize = db.lookupType("PcDesc").getSize(); } @@ -530,7 +532,7 @@ out.println("compile " + holder.getName().asString() + " " + OopUtilities.escapeString(method.getName().asString()) + " " + method.getSignature().asString() + " " + - getEntryBCI()); + getEntryBCI() + " " + getCompLevel()); } @@ -551,4 +553,5 @@ private int getHandlerTableOffset() { return (int) handlerTableOffsetField.getValue(addr); } private int getNulChkTableOffset() { return (int) nulChkTableOffsetField .getValue(addr); } private int getNMethodEndOffset() { return (int) nmethodEndOffsetField .getValue(addr); } + private int getCompLevel() { return (int) compLevelField .getValue(addr); } } diff -r 57ac6a688ae6 -r 0b55a78c6be5 agent/src/share/classes/sun/jvm/hotspot/compiler/CompileTask.java --- a/agent/src/share/classes/sun/jvm/hotspot/compiler/CompileTask.java Fri Apr 26 00:40:22 2013 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/compiler/CompileTask.java Fri Apr 26 10:52:26 2013 -0700 @@ -46,10 +46,12 @@ Type type = db.lookupType("CompileTask"); methodField = type.getAddressField("_method"); osrBciField = new CIntField(type.getCIntegerField("_osr_bci"), 0); + compLevelField = new CIntField(type.getCIntegerField("_comp_level"), 0); } private static AddressField methodField; private static CIntField osrBciField; + private static CIntField compLevelField; public CompileTask(Address addr) { super(addr); @@ -63,4 +65,8 @@ public int osrBci() { return (int)osrBciField.getValue(getAddress()); } + + public int compLevel() { + return (int)compLevelField.getValue(getAddress()); + } } diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/os/bsd/vm/os_bsd.cpp --- a/src/os/bsd/vm/os_bsd.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/os/bsd/vm/os_bsd.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1230,10 +1230,6 @@ return retval; } -const char* os::get_current_directory(char *buf, int buflen) { - return getcwd(buf, buflen); -} - // check if addr is inside libjvm.so bool os::address_is_in_vm(address addr) { static address libjvm_base_addr; diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/os/linux/vm/os_linux.cpp --- a/src/os/linux/vm/os_linux.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/os/linux/vm/os_linux.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1662,10 +1662,6 @@ return retval; } -const char* os::get_current_directory(char *buf, int buflen) { - return getcwd(buf, buflen); -} - // check if addr is inside libjvm.so bool os::address_is_in_vm(address addr) { static address libjvm_base_addr; diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/os/posix/vm/os_posix.cpp --- a/src/os/posix/vm/os_posix.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/os/posix/vm/os_posix.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -251,3 +251,11 @@ return true; #endif } + +const char* os::get_current_directory(char *buf, size_t buflen) { + return getcwd(buf, buflen); +} + +FILE* os::open(int fd, const char* mode) { + return ::fdopen(fd, mode); +} diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/os/solaris/vm/os_solaris.cpp --- a/src/os/solaris/vm/os_solaris.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/os/solaris/vm/os_solaris.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1915,10 +1915,6 @@ return retval; } -const char* os::get_current_directory(char *buf, int buflen) { - return getcwd(buf, buflen); -} - // check if addr is inside libjvm.so bool os::address_is_in_vm(address addr) { static address libjvm_base_addr; diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/os/windows/vm/os_windows.cpp --- a/src/os/windows/vm/os_windows.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/os/windows/vm/os_windows.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1221,8 +1221,10 @@ // Needs to be in os specific directory because windows requires another // header file
-const char* os::get_current_directory(char *buf, int buflen) { - return _getcwd(buf, buflen); +const char* os::get_current_directory(char *buf, size_t buflen) { + int n = static_cast (buflen); + if (buflen > INT_MAX) n = INT_MAX; + return _getcwd(buf, n); } //----------------------------------------------------------- @@ -4098,6 +4100,10 @@ return ::open(pathbuf, oflag | O_BINARY | O_NOINHERIT, mode); } +FILE* os::open(int fd, const char* mode) { + return ::_fdopen(fd, mode); +} + // Is a (classpath) directory empty? bool os::dir_is_empty(const char* path) { WIN32_FIND_DATA fd; diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/ci/ciEnv.cpp --- a/src/share/vm/ci/ciEnv.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/ci/ciEnv.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1149,23 +1149,9 @@ record_method_not_compilable("out of memory"); } -fileStream* ciEnv::_replay_data_stream = NULL; - -void ciEnv::dump_replay_data() { +void ciEnv::dump_replay_data(outputStream* out) { VM_ENTRY_MARK; MutexLocker ml(Compile_lock); - if (_replay_data_stream == NULL) { - _replay_data_stream = new (ResourceObj::C_HEAP, mtCompiler) fileStream(ReplayDataFile); - if (_replay_data_stream == NULL) { - fatal(err_msg("Can't open %s for replay data", ReplayDataFile)); - } - } - dump_replay_data(_replay_data_stream); -} - - -void ciEnv::dump_replay_data(outputStream* out) { - ASSERT_IN_VM; ResourceMark rm; #if INCLUDE_JVMTI out->print_cr("JvmtiExport can_access_local_variables %d", _jvmti_can_access_local_variables); @@ -1178,13 +1164,15 @@ for (int i = 0; i < objects->length(); i++) { objects->at(i)->dump_replay_data(out); } - Method* method = task()->method(); - int entry_bci = task()->osr_bci(); + CompileTask* task = this->task(); + Method* method = task->method(); + int entry_bci = task->osr_bci(); + int comp_level = task->comp_level(); // Klass holder = method->method_holder(); - out->print_cr("compile %s %s %s %d", + out->print_cr("compile %s %s %s %d %d", method->klass_name()->as_quoted_ascii(), method->name()->as_quoted_ascii(), method->signature()->as_quoted_ascii(), - entry_bci); + entry_bci, comp_level); out->flush(); } diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/ci/ciEnv.hpp --- a/src/share/vm/ci/ciEnv.hpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/ci/ciEnv.hpp Fri Apr 26 10:52:26 2013 -0700 @@ -46,8 +46,6 @@ friend class CompileBroker; friend class Dependencies; // for get_object, during logging - static fileStream* _replay_data_stream; - private: Arena* _arena; // Alias for _ciEnv_arena except in init_shared_objects() Arena _ciEnv_arena; @@ -451,10 +449,6 @@ // RedefineClasses support void metadata_do(void f(Metadata*)) { _factory->metadata_do(f); } - // Dump the compilation replay data for this ciEnv to - // ReplayDataFile, creating the file if needed. - void dump_replay_data(); - // Dump the compilation replay data for the ciEnv to the stream. void dump_replay_data(outputStream* out); }; diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/ci/ciMethod.hpp --- a/src/share/vm/ci/ciMethod.hpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/ci/ciMethod.hpp Fri Apr 26 10:52:26 2013 -0700 @@ -196,7 +196,6 @@ // Analysis and profiling. // // Usage note: liveness_at_bci and init_vars should be wrapped in ResourceMarks. - bool uses_monitors() const { return _uses_monitors; } // this one should go away, it has a misleading name bool has_monitor_bytecodes() const { return _uses_monitors; } bool has_balanced_monitors(); diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/ci/ciReplay.cpp --- a/src/share/vm/ci/ciReplay.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/ci/ciReplay.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -89,7 +89,7 @@ loader = Handle(thread, SystemDictionary::java_system_loader()); stream = fopen(filename, "rt"); if (stream == NULL) { - fprintf(stderr, "Can't open replay file %s\n", filename); + fprintf(stderr, "ERROR: Can't open replay file %s\n", filename); } buffer_length = 32; buffer = NEW_RESOURCE_ARRAY(char, buffer_length); @@ -327,7 +327,6 @@ if (had_error()) { tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message); tty->print_cr("%s", buffer); - assert(false, "error"); return; } pos = 0; @@ -370,11 +369,47 @@ } } - // compile + // validation of comp_level + bool is_valid_comp_level(int comp_level) { + const int msg_len = 256; + char* msg = NULL; + if (!is_compile(comp_level)) { + msg = NEW_RESOURCE_ARRAY(char, msg_len); + jio_snprintf(msg, msg_len, "%d isn't compilation level", comp_level); + } else if (!TieredCompilation && (comp_level != CompLevel_highest_tier)) { + msg = NEW_RESOURCE_ARRAY(char, msg_len); + switch (comp_level) { + case CompLevel_simple: + jio_snprintf(msg, msg_len, "compilation level %d requires Client VM or TieredCompilation", comp_level); + break; + case CompLevel_full_optimization: + jio_snprintf(msg, msg_len, "compilation level %d requires Server VM", comp_level); + break; + default: + jio_snprintf(msg, msg_len, "compilation level %d requires TieredCompilation", comp_level); + } + } + if (msg != NULL) { + report_error(msg); + return false; + } + return true; + } + + // compile void process_compile(TRAPS) { // methodHandle method; Method* method = parse_method(CHECK); int entry_bci = parse_int("entry_bci"); + const char* comp_level_label = "comp_level"; + int comp_level = parse_int(comp_level_label); + // old version w/o comp_level + if (had_error() && (error_message() == comp_level_label)) { + comp_level = CompLevel_full_optimization; + } + if (!is_valid_comp_level(comp_level)) { + return; + } Klass* k = method->method_holder(); ((InstanceKlass*)k)->initialize(THREAD); if (HAS_PENDING_EXCEPTION) { @@ -389,12 +424,12 @@ } } // Make sure the existence of a prior compile doesn't stop this one - nmethod* nm = (entry_bci != InvocationEntryBci) ? method->lookup_osr_nmethod_for(entry_bci, CompLevel_full_optimization, true) : method->code(); + nmethod* nm = (entry_bci != InvocationEntryBci) ? method->lookup_osr_nmethod_for(entry_bci, comp_level, true) : method->code(); if (nm != NULL) { nm->make_not_entrant(); } replay_state = this; - CompileBroker::compile_method(method, entry_bci, CompLevel_full_optimization, + CompileBroker::compile_method(method, entry_bci, comp_level, methodHandle(), 0, "replay", THREAD); replay_state = NULL; reset(); @@ -551,7 +586,7 @@ if (parsed_two_word == i) continue; default: - ShouldNotReachHere(); + fatal(err_msg_res("Unexpected tag: %d", cp->tag_at(i).value())); break; } @@ -819,6 +854,11 @@ ReplaySuppressInitializers = 1; } + if (FLAG_IS_DEFAULT(ReplayDataFile)) { + tty->print_cr("ERROR: no compiler replay data file specified (use -XX:ReplayDataFile=replay_pid12345.txt)."); + return 1; + } + // Load and parse the replay data CompileReplay rp(ReplayDataFile, THREAD); int exit_code = 0; diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/compiler/compileBroker.cpp --- a/src/share/vm/compiler/compileBroker.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/compiler/compileBroker.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1842,6 +1842,8 @@ } } } + // simulate crash during compilation + assert(task->compile_id() != CICrashAt, "just as planned"); } pop_jni_handle_block(); diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/prims/whitebox.cpp --- a/src/share/vm/prims/whitebox.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/prims/whitebox.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -436,9 +436,29 @@ instanceKlassHandle ikh = instanceKlassHandle(JNIHandles::resolve(wbclass)->klass()); Handle loader(ikh->class_loader()); if (loader.is_null()) { + ResourceMark rm; ThreadToNativeFromVM ttnfv(thread); // can't be in VM when we call JNI - jint result = env->RegisterNatives(wbclass, methods, sizeof(methods)/sizeof(methods[0])); - if (result == 0) { + bool result = true; + // one by one registration natives for exception catching + jclass exceptionKlass = env->FindClass(vmSymbols::java_lang_NoSuchMethodError()->as_C_string()); + for (int i = 0, n = sizeof(methods) / sizeof(methods[0]); i < n; ++i) { + if (env->RegisterNatives(wbclass, methods + i, 1) != 0) { + result = false; + if (env->ExceptionCheck() && env->IsInstanceOf(env->ExceptionOccurred(), exceptionKlass)) { + // j.l.NoSuchMethodError is thrown when a method can't be found or a method is not native + // ignoring the exception + tty->print_cr("Warning: 'NoSuchMethodError' on register of sun.hotspot.WhiteBox::%s%s", methods[i].name, methods[i].signature); + env->ExceptionClear(); + } else { + // register is failed w/o exception or w/ unexpected exception + tty->print_cr("Warning: unexpected error on register of sun.hotspot.WhiteBox::%s%s. All methods will be unregistered", methods[i].name, methods[i].signature); + env->UnregisterNatives(wbclass); + break; + } + } + } + + if (result) { WhiteBox::set_used(); } } diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/runtime/globals.hpp --- a/src/share/vm/runtime/globals.hpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/runtime/globals.hpp Fri Apr 26 10:52:26 2013 -0700 @@ -3223,8 +3223,9 @@ develop(bool, ReplayCompiles, false, \ "Enable replay of compilations from ReplayDataFile") \ \ - develop(ccstr, ReplayDataFile, "replay.txt", \ - "file containing compilation replay information") \ + product(ccstr, ReplayDataFile, NULL, \ + "File containing compilation replay information" \ + "[default: ./replay_pid%p.log] (%p replaced with pid)") \ \ develop(intx, ReplaySuppressInitializers, 2, \ "Controls handling of class initialization during replay" \ @@ -3237,8 +3238,8 @@ develop(bool, ReplayIgnoreInitErrors, false, \ "Ignore exceptions thrown during initialization for replay") \ \ - develop(bool, DumpReplayDataOnError, true, \ - "record replay data for crashing compiler threads") \ + product(bool, DumpReplayDataOnError, true, \ + "Record replay data for crashing compiler threads") \ \ product(bool, CICompilerCountPerCPU, false, \ "1 compiler thread for log(N CPUs)") \ @@ -3247,7 +3248,9 @@ "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ "(non-negative value throws OOM after this many CI accesses " \ "in each compile)") \ - \ + notproduct(intx, CICrashAt, -1, \ + "id of compilation to trigger assert in compiler thread for " \ + "the purpose of testing, e.g. generation of replay data") \ notproduct(bool, CIObjectFactoryVerify, false, \ "enable potentially expensive verification in ciObjectFactory") \ \ diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/runtime/os.hpp --- a/src/share/vm/runtime/os.hpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/runtime/os.hpp Fri Apr 26 10:52:26 2013 -0700 @@ -454,6 +454,7 @@ // File i/o operations static const int default_file_open_flags(); static int open(const char *path, int oflag, int mode); + static FILE* open(int fd, const char* mode); static int close(int fd); static jlong lseek(int fd, jlong offset, int whence); static char* native_path(char *path); @@ -477,7 +478,7 @@ static const char* dll_file_extension(); static const char* get_temp_directory(); - static const char* get_current_directory(char *buf, int buflen); + static const char* get_current_directory(char *buf, size_t buflen); // Builds a platform-specific full library path given a ld path and lib name // Returns true if buffer contains full path to existing file, false otherwise diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/runtime/sharedRuntime.cpp --- a/src/share/vm/runtime/sharedRuntime.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/runtime/sharedRuntime.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -1316,12 +1316,6 @@ assert(stub_frame.is_runtime_frame(), "sanity check"); frame caller_frame = stub_frame.sender(®_map); - // MethodHandle invokes don't have a CompiledIC and should always - // simply redispatch to the callee_target. - address sender_pc = caller_frame.pc(); - CodeBlob* sender_cb = caller_frame.cb(); - nmethod* sender_nm = sender_cb->as_nmethod_or_null(); - if (caller_frame.is_interpreted_frame() || caller_frame.is_entry_frame()) { Method* callee = thread->callee_target(); diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/runtime/vmStructs.cpp --- a/src/share/vm/runtime/vmStructs.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/runtime/vmStructs.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -828,6 +828,7 @@ nonstatic_field(nmethod, _lock_count, jint) \ nonstatic_field(nmethod, _stack_traversal_mark, long) \ nonstatic_field(nmethod, _compile_id, int) \ + nonstatic_field(nmethod, _comp_level, int) \ nonstatic_field(nmethod, _exception_cache, ExceptionCache*) \ nonstatic_field(nmethod, _marked_for_deoptimization, bool) \ \ diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/utilities/ostream.hpp --- a/src/share/vm/utilities/ostream.hpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/utilities/ostream.hpp Fri Apr 26 10:52:26 2013 -0700 @@ -196,7 +196,7 @@ fileStream() { _file = NULL; _need_close = false; } fileStream(const char* file_name); fileStream(const char* file_name, const char* opentype); - fileStream(FILE* file) { _file = file; _need_close = false; } + fileStream(FILE* file, bool need_close = false) { _file = file; _need_close = need_close; } ~fileStream(); bool is_open() const { return _file != NULL; } void set_need_close(bool b) { _need_close = b;} diff -r 57ac6a688ae6 -r 0b55a78c6be5 src/share/vm/utilities/vmError.cpp --- a/src/share/vm/utilities/vmError.cpp Fri Apr 26 00:40:22 2013 -0700 +++ b/src/share/vm/utilities/vmError.cpp Fri Apr 26 10:52:26 2013 -0700 @@ -796,6 +796,56 @@ VMError* volatile VMError::first_error = NULL; volatile jlong VMError::first_error_tid = -1; +/** Expand a pattern into a buffer starting at pos and open a file using constructed path */ +static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { + int fd = -1; + if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { + fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666); + } + return fd; +} + +/** + * Construct file name for a log file and return it's file descriptor. + * Name and location depends on pattern, default_pattern params and access + * permissions. + */ +static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { + int fd = -1; + + // If possible, use specified pattern to construct log file name + if (pattern != NULL) { + fd = expand_and_open(pattern, buf, buflen, 0); + } + + // Either user didn't specify, or the user's location failed, + // so use the default name in the current directory + if (fd == -1) { + const char* cwd = os::get_current_directory(buf, buflen); + if (cwd != NULL) { + size_t pos = strlen(cwd); + int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); + pos += fsep_len; + if (fsep_len > 0) { + fd = expand_and_open(default_pattern, buf, buflen, pos); + } + } + } + + // try temp directory if it exists. + if (fd == -1) { + const char* tmpdir = os::get_temp_directory(); + if (tmpdir != NULL && strlen(tmpdir) > 0) { + int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); + if (pos > 0) { + fd = expand_and_open(default_pattern, buf, buflen, pos); + } + } + } + + return fd; +} + void VMError::report_and_die() { // Don't allocate large buffer on stack static char buffer[O_BUFLEN]; @@ -905,36 +955,7 @@ // see if log file is already open if (!log.is_open()) { // open log file - int fd = -1; - - if (ErrorFile != NULL) { - bool copy_ok = - Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer)); - if (copy_ok) { - fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); - } - } - - if (fd == -1) { - const char *cwd = os::get_current_directory(buffer, sizeof(buffer)); - size_t len = strlen(cwd); - // either user didn't specify, or the user's location failed, - // so use the default name in the current directory - jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log", - os::file_separator(), os::current_process_id()); - fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); - } - - if (fd == -1) { - const char * tmpdir = os::get_temp_directory(); - // try temp directory if it exists. - if (tmpdir != NULL && tmpdir[0] != '\0') { - jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log", - tmpdir, os::file_separator(), os::current_process_id()); - fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666); - } - } - + int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); if (fd != -1) { out.print_raw("# An error report file with more information is saved as:\n# "); out.print_raw_cr(buffer); @@ -958,7 +979,7 @@ // Run error reporting to determine whether or not to report the crash. if (!transmit_report_done && should_report_bug(first_error->_id)) { transmit_report_done = true; - FILE* hs_err = ::fdopen(log.fd(), "r"); + FILE* hs_err = os::open(log.fd(), "r"); if (NULL != hs_err) { ErrorReporter er; er.call(hs_err, buffer, O_BUFLEN); @@ -1008,7 +1029,19 @@ skip_replay = true; ciEnv* env = ciEnv::current(); if (env != NULL) { - env->dump_replay_data(); + int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); + if (fd != -1) { + FILE* replay_data_file = os::open(fd, "w"); + if (replay_data_file != NULL) { + fileStream replay_data_stream(replay_data_file, /*need_close=*/true); + env->dump_replay_data(&replay_data_stream); + out.print_raw("#\n# Compiler replay data is saved as:\n# "); + out.print_raw_cr(buffer); + } else { + out.print_raw("#\n# Can't open file to dump replay data. Error: "); + out.print_raw_cr(strerror(os::get_last_error())); + } + } } } diff -r 57ac6a688ae6 -r 0b55a78c6be5 test/compiler/ciReplay/TestSA.sh --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/ciReplay/TestSA.sh Fri Apr 26 10:52:26 2013 -0700 @@ -0,0 +1,92 @@ +#!/bin/sh +# +# Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +## +## @test +## @bug 8011675 +## @summary testing of ciReplay with using generated by SA replay.txt +## @author igor.ignatyev@oracle.com +## @run shell TestSA.sh +## + +if [ "${TESTSRC}" = "" ] +then + TESTSRC=${PWD} + echo "TESTSRC not set. Using "${TESTSRC}" as default" +fi +echo "TESTSRC=${TESTSRC}" + +## Adding common setup Variables for running shell tests. +. ${TESTSRC}/../../test_env.sh + +. ${TESTSRC}/common.sh + +generate_replay + +${MV} ${replay_data} replay_vm.txt + +if [ -z "${core_file}" -o ! -r "${core_file}" ] +then + # skip test if MacOS host isn't configured for core dumping + if [ "$OS" = "Darwin" ] + then + if [ ! -d "/cores" ] + then + echo TEST SKIPPED: \'/cores\' dir doens\'t exist + exit 0 + fi + if [ ! -w "/cores" ] + then + echo TEST SKIPPED: \'/cores\' dir exists but is not writable + exit 0 + fi + fi + test_fail 2 "CHECK :: CORE GENERATION" "core wasn't generated on $OS" +fi + +echo "dumpreplaydata -a > ${replay_data}" | \ + ${JAVA} ${TESTVMOPTS} \ + -cp ${TESTJAVA}${FS}lib${FS}sa-jdi.jar \ + sun.jvm.hotspot.CLHSDB ${JAVA} ${core_file} + +if [ ! -s ${replay_data} ] +then + test_fail 1 "CHECK :: REPLAY DATA GENERATION" \ + "replay data wasn't generated by SA" +fi + +diff --brief ${replay_data} replay_vm.txt +if [ $? -ne 0 ] +then + echo WARNING: replay.txt from SA != replay.txt from VM +fi + +common_tests 10 +${VM_TYPE}_tests 20 + +cleanup + +echo TEST PASSED + diff -r 57ac6a688ae6 -r 0b55a78c6be5 test/compiler/ciReplay/TestVM.sh --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/ciReplay/TestVM.sh Fri Apr 26 10:52:26 2013 -0700 @@ -0,0 +1,86 @@ +#!/bin/sh +# +# Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +## +## @test +## @bug 8011675 +## @summary testing of ciReplay with using generated by VM replay.txt +## @author igor.ignatyev@oracle.com +## @run shell TestVM.sh +## + +if [ "${TESTSRC}" = "" ] +then + TESTSRC=${PWD} + echo "TESTSRC not set. Using "${TESTSRC}" as default" +fi +echo "TESTSRC=${TESTSRC}" + +## Adding common setup Variables for running shell tests. +. ${TESTSRC}/../../test_env.sh + +. ${TESTSRC}/common.sh + +generate_replay + +if [ ! -s ${replay_data} ] +then + test_fail 1 "CHECK :: REPLAY DATA GENERATION" \ + "replay data wasn't generated by VM" +fi + +common_tests 10 +${VM_TYPE}_tests 20 + +cleanup + +if [ $is_tiered -eq 1 ] +then + stop_level=1 + while [ $stop_level -le $server_level ] + do + generate_replay "-XX:TieredStopAtLevel=$stop_level" + if [ ! -s ${replay_data} ] + then + test_fail `expr $stop_level + 30` \ + "TIERED LEVEL $stop_level :: REPLAY DATA GENERATION" \ + "replay data wasn't generated by VM with stop_level=$stop_level" + fi + level=`grep "^compile " $replay_data | awk '{print $6}'` + if [ $level -gt $stop_level ] + then + test_fail `expr $stop_level + 40` \ + "TIERED LEVEL $stop_level :: COMP_LEVEL VERIFICATION" \ + "comp_level in replay[$level] is greater than stop_level[$stop_level]" + fi + positive_test `expr $stop_level + 50` "TIERED LEVEL $stop_level :: REPLAY" \ + "-XX:TieredStopAtLevel=$stop_level" + stop_level=`expr $stop_level + 1` + done + cleanup +fi + +echo TEST PASSED + diff -r 57ac6a688ae6 -r 0b55a78c6be5 test/compiler/ciReplay/TestVM_no_comp_level.sh --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/ciReplay/TestVM_no_comp_level.sh Fri Apr 26 10:52:26 2013 -0700 @@ -0,0 +1,74 @@ +#!/bin/sh +# +# Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +## +## @test +## @bug 8011675 +## @summary testing of ciReplay with using generated by VM replay.txt w/o comp_level +## @author igor.ignatyev@oracle.com +## @run shell TestVM_no_comp_level.sh +## + +if [ "${TESTSRC}" = "" ] +then + TESTSRC=${PWD} + echo "TESTSRC not set. Using "${TESTSRC}" as default" +fi +echo "TESTSRC=${TESTSRC}" + +## Adding common setup Variables for running shell tests. +. ${TESTSRC}/../../test_env.sh + +. ${TESTSRC}/common.sh + +generate_replay + +if [ ! -s ${replay_data} ] +then + test_fail 1 "CHECK :: REPLAY DATA GENERATION" \ + "replay data wasn't generated by VM" +fi + +${CP} ${replay_data} replay_vm.txt + +sed 's/^\(compile *[^ ][^ ]* *[^ ][^ ]* [^ ][^ ]* [^ ][^ ]*\).*$/\1/' \ + replay_vm.txt > ${replay_data} + +if [ $client_available -eq 1 ] +then + # tiered is unavailable in client vm, so results w/ flags will be the same as w/o flags + negative_test 10 "CLIENT" -client +fi + +if [ $server_available -eq 1 ] +then + positive_test 21 "SERVER :: NON-TIERED" -XX:-TieredCompilation -server + positive_test 22 "SERVER :: TIERED" -XX:+TieredCompilation -server +fi + +cleanup + +echo TEST PASSED + diff -r 57ac6a688ae6 -r 0b55a78c6be5 test/compiler/ciReplay/common.sh --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/ciReplay/common.sh Fri Apr 26 10:52:26 2013 -0700 @@ -0,0 +1,253 @@ +#!/bin/sh +# +# Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# +# + +# $1 - error code +# $2 - test name +# $3,.. - decription +test_fail() { + error=$1 + shift + name=$1 + shift + echo "TEST [$name] FAILED:" + echo "$@" + exit $error +} + +# $@ - additional vm opts +start_test() { + # disable core dump on *nix + ulimit -S -c 0 + # disable core dump on windows + VMOPTS="$@ -XX:-CreateMinidumpOnCrash" + cmd="${JAVA} ${VMOPTS} -XX:+ReplayCompiles -XX:ReplayDataFile=${replay_data}" + echo $cmd + $cmd + return $? +} + +# $1 - error_code +# $2 - test name +# $3,.. - additional vm opts +positive_test() { + error=$1 + shift + name=$1 + shift + VMOPTS="${TESTVMOPTS} $@" + echo "POSITIVE TEST [$name]" + start_test ${VMOPTS} + exit_code=$? + if [ ${exit_code} -ne 0 ] + then + test_fail $error "$name" "exit_code[${exit_code}] != 0 during replay "\ + "w/ vmopts: ${VMOPTS}" + fi +} + +# $1 - error_code +# $2 - test name +# $2,.. - additional vm opts +negative_test() { + error=$1 + shift + name=$1 + shift + VMOPTS="${TESTVMOPTS} $@" + echo "NEGATIVE TEST [$name]" + start_test ${VMOPTS} + exit_code=$? + if [ ${exit_code} -eq 0 ] + then + test_fail $error "$name" "exit_code[${exit_code}] == 0 during replay "\ + "w/ vmopts: ${VMOPTS}" + fi +} + +# $1 - initial error_code +common_tests() { + positive_test $1 "COMMON :: THE SAME FLAGS" + positive_test `expr $1 + 1` "COMMON :: TIERED" -XX:+TieredCompilation +} + +# $1 - initial error_code +# $2 - non-tiered comp_level +nontiered_tests() { + level=`grep "^compile " $replay_data | awk '{print $6}'` + # is level available in non-tiere + if [ "$level" -eq $2 ] + then + positive_test $1 "NON-TIERED :: AVAILABLE COMP_LEVEL" \ + -XX:-TieredCompilation + else + negative_test `expr $1 + 1` "NON-TIERED :: UNAVAILABLE COMP_LEVEL" \ + negative_test `expr $1 + 1` "NON-TIERED :: UNAVAILABLE COMP_LEVEL" \ + -XX:-TieredCompilation + fi +} + +# $1 - initial error_code +client_tests() { + # testing in opposite VM + if [ $server_available -eq 1 ] + then + negative_test $1 "SERVER :: NON-TIERED" -XX:-TieredCompilation \ + -server + positive_test `expr $1 + 1` "SERVER :: TIERED" -XX:+TieredCompilation \ + -server + fi + nontiered_tests `expr $1 + 2` $client_level +} + +# $1 - initial error_code +server_tests() { + # testing in opposite VM + if [ $client_available -eq 1 ] + then + # tiered is unavailable in client vm, so results w/ flags will be the same as w/o flags + negative_test $1 "CLIENT" -client + fi + nontiered_tests `expr $1 + 2` $server_level +} + +cleanup() { + ${RM} -f core* + ${RM} -f replay*.txt + ${RM} -f hs_err_pid*.log + ${RM} -f test_core + ${RM} -f test_replay.txt +} + +JAVA=${TESTJAVA}${FS}bin${FS}java + +replay_data=test_replay.txt + +${JAVA} ${TESTVMOPTS} -Xinternalversion 2>&1 | grep debug + +# Only test fastdebug +if [ $? -ne 0 ] +then + echo TEST SKIPPED: product build + exit 0 +fi + +is_int=`${JAVA} ${TESTVMOPTS} -version 2>&1 | grep -c "interpreted mode"` +# Not applicable for Xint +if [ $is_int -ne 0 ] +then + echo TEST SKIPPED: interpreted mode + exit 0 +fi + +cleanup + +client_available=`${JAVA} ${TESTVMOPTS} -client -Xinternalversion 2>&1 | \ + grep -c Client` +server_available=`${JAVA} ${TESTVMOPTS} -server -Xinternalversion 2>&1 | \ + grep -c Server` +is_tiered=`${JAVA} ${TESTVMOPTS} -XX:+PrintFlagsFinal -version | \ + grep TieredCompilation | \ + grep -c true` +# CompLevel_simple -- C1 +client_level=1 +# CompLevel_full_optimization -- C2 or Shark +server_level=4 + +echo "client_available=$client_available" +echo "server_available=$server_available" +echo "is_tiered=$is_tiered" + +# crash vm in compiler thread with generation replay data and 'small' dump-file +# $@ - additional vm opts +generate_replay() { + # enable core dump + ulimit -c unlimited + + cmd="${JAVA} ${TESTVMOPTS} $@ \ + -Xms8m \ + -Xmx32m \ + -XX:MetaspaceSize=4m \ + -XX:MaxMetaspaceSize=16m \ + -XX:InitialCodeCacheSize=512k \ + -XX:ReservedCodeCacheSize=4m \ + -XX:ThreadStackSize=512 \ + -XX:VMThreadStackSize=512 \ + -XX:CompilerThreadStackSize=512 \ + -XX:ParallelGCThreads=1 \ + -XX:CICompilerCount=1 \ + -Xcomp \ + -XX:CICrashAt=1 \ + -XX:+CreateMinidumpOnCrash \ + -XX:+DumpReplayDataOnError \ + -XX:ReplayDataFile=${replay_data} \ + -version" + echo GENERATION OF REPLAY.TXT: + echo $cmd + + ${cmd} 2>&1 > crash.out + + core_locations=`grep -i core crash.out | grep "location:" | \ + sed -e 's/.*location: //'` + rm crash.out + # processing core locations for *nix + if [ $OS != "windows" ] + then + # remove 'or' between '/core. ' and 'core' + core_locations=`echo $core_locations | \ + sed -e 's/\([^ ]*\) or \([^ ]*\)/\1 \2/'` + # add /core. core. + core=`echo $core_locations | awk '{print $1}'` + dir=`dirname $core` + core=`basename $core` + if [ -n ${core} ] + then + core_locations="$core_locations $dir${FS}$core" + fi + core=`echo $core_locations | awk '{print $2}'` + if [ -n ${core} ] + then + core_locations="$core_locations $dir${FS}$core" + fi + fi + + echo "LOOKING FOR CORE IN ${core_locations}" + for core in $core_locations + do + if [ -r "$core" ] + then + core_file=$core + fi + done + + # core-file was found + if [ -n "$core_file" ] + then + ${MV} "${core_file}" test_core + core_file=test_core + fi + + ${RM} -f hs_err_pid*.log +} + diff -r 57ac6a688ae6 -r 0b55a78c6be5 test/sanity/WhiteBox.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/sanity/WhiteBox.java Fri Apr 26 10:52:26 2013 -0700 @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test WhiteBox + * @bug 8011675 + * @summary verify that whitebox can be used even if not all functions are declared in java-part + * @author igor.ignatyev@oracle.com + * @library /testlibrary + * @compile WhiteBox.java + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI sun.hotspot.WhiteBox + * @clean sun.hotspot.WhiteBox + */ + +package sun.hotspot; + +public class WhiteBox { + private static native void registerNatives(); + static { registerNatives(); } + public native int notExistedMethod(); + public native int getHeapOopSize(); + public static void main(String[] args) { + WhiteBox wb = new WhiteBox(); + if (wb.getHeapOopSize() < 0) { + throw new Error("wb.getHeapOopSize() < 0"); + } + boolean catched = false; + try { + wb.notExistedMethod(); + } catch (UnsatisfiedLinkError e) { + catched = true; + } + if (!catched) { + throw new Error("wb.notExistedMethod() was invoked"); + } + } +}